Home / 1,115,054.46-1,538,781.30-605,757.96

Finding the Fourth Proportional to 1,115,054.46, 1,538,781.30 and 605,757.96

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Solution

The fourth proportional to 1,115,054.46, 1,538,781.30 and 605,757.96 is: 835,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,054.46 : 1,538,781.30 = 605,757.96 : x
  2. Step 2: Convert to fraction form
    1,115,054.46/1,538,781.30 = 605,757.96/x
  3. Step 3: Cross multiply
    1,115,054.46x = 1,538,781.30 × 605,757.96
  4. Step 4: Simplify right side
    1,115,054.46x = 932,129,021,174.15
  5. Step 5: Solve for x
    x = 932,129,021,174.15/1,115,054.46
  6. Step 6: Final answer
    x = 835,949.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.